26 lines
760 B
LLVM
26 lines
760 B
LLVM
; RUN: opt -S -indvars -loop-idiom -verify -loop-simplifycfg -simplifycfg-require-and-preserve-domtree=1 -loop-idiom < %s | FileCheck %s
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target triple = "x86_64-unknown-linux-gnu"
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; CHECK-LABEL: @f1()
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; CHECK-NEXT: entry:
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define void @f1() {
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entry:
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br label %lbl1
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lbl1: ; preds = %if.end, %entry
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br label %for
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for: ; preds = %if.end, %lbl1
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br label %lor.end
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lor.end: ; preds = %for
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br i1 undef, label %for.end, label %if.end
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if.end: ; preds = %lor.end
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br i1 undef, label %lbl1, label %for
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for.end: ; preds = %lor.end
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ret void
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}
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